Chemicals and Drugs

Iodine

A nonmetallic element of the halogen group that is represented by the atomic symbol I, atomic number 53, and atomic weight of 126.90. It is a nutritionally essential element, especially important in thyroid hormone synthesis. In solution, it has anti-infective properties and is used topically.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A nonmetallic element of the halogen group that is represented by the atomic symbol I, atomic number 53, and atomic weight of 126.90. It is a nutritionally essential element, especially important in thyroid hormone synthesis. In solution, it has anti-infective properties and is used topically.

MeSH Record

Classification

Broader headings

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Drug Class

Pharmacological Action

MeSH Record

See Also

MeSH Record

Synonyms

2 entry terms
  • Iodine-127
  • Iodine 127

MeSH Record

Aspects Covered

24 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analysis, blood, cerebrospinal fluid, chemistry, classification, deficiency, economics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, physiology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, urine.

MeSH Hierarchy

Tree Number

  1. D01w.268w.380w.400w

AMA Style

References

  1. National Library of Medicine. Iodine. Medical Subject Headings (MeSH). 2026. Unique ID D007455. http://id.nlm.nih.gov/mesh/2026/D007455
  2. Iodine. In: Wikipedia. https://en.wikipedia.org/wiki/Iodine
  3. Iodine. In: Wikidata. https://www.wikidata.org/wiki/Q1103